{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "367647512",
    "entityType": "User",
    "nonce": "0xe2e2995842a8dd2bec9d99b78922662f15f21bbac38c87380baebcc31353f221",
    "signature": "0x66c22cbc30f2a02806a733d8cf62842b1989713e92325d2c79501ed87903edc030cb03fc5ef76732341fa842840c83c796927fa401b13b93ad0bc7f6606b02341c",
    "signer": "0x7a991F28f8c946030bE26Eb8408414771247985d",
    "userId": "514559071"
  }
}