{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "765540152",
    "entityType": "User",
    "nonce": "0x44ed854e4ea84050b3ee67a095b4ea76c48dbbcf4b6648f3ab6bcbe4b99741bf",
    "signature": "0xf61cfd8d6a716c4f61a57485e5e257f0c17ee3bf7c3b0840001973030f46079207bea73419871a9bbf2331aa88eb70026041c5c90336d6c5a145cd7507d5eb111b",
    "signer": "0xa603e9487Ed7C3C62E8acb85f8f32acFf5d6349b",
    "userId": "278135553"
  }
}