{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "42614",
    "entityType": "User",
    "nonce": "0x7a59b6320451bf70cc03249c0daa70871b46373c6ee4b55d061a377da7cae197",
    "signature": "0x2e0acf3ba00ba9352c145080dfa0adbd3306ef8039af41395446acfa2ddf1d9f3aef589ba5fb58e72c941f647505db1f662bf56f6aac47f97c9a2e07b3ac606c1c",
    "signer": "0x84B42609E987DD0953e02498E61987fB833B7C92",
    "userId": "887547386"
  }
}