{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "396895",
    "entityType": "User",
    "nonce": "0x2c12135a9e47e80a96d15ecb3d7556f1ca2b15b48f3624ed5f01bfc5b9201901",
    "signature": "0x9c3225bd8a6da5922bb236745963fe61da107eef8f8bd541e36af3f8392747442f2a8167c00c6731ee4011ef9f6039fa363da8cb783a02a3e786f6965b30cc091c",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}