{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "37362455",
    "entityType": "User",
    "nonce": "0xc39c0e0b96dd10c2e4755899ae0de6a429cf6cab710adc07f5ab5e97446d384e",
    "signature": "0x822641ef7b24208fc63b5e4a9f3f4607e093c0cd3850e1fedbf1b736352bb11d4b896cc64f10b2bf2f222f4131e0da4738e1d2f4eb6b02cbf47be930189ff8a31c",
    "signer": "0x7fdeEB144300AC6b1Be0E83d8f006b2D3140F73D",
    "userId": "325377357"
  }
}