{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "58029",
    "entityType": "User",
    "nonce": "0x18ae41eac3526b483da61ec502b0e667a9565ea562b9e88395be1882f1285468",
    "signature": "0x06f64c4e76a3101f1b2250b58fe828adbedfcdc752f0e936782ed3c205aa8c3f1a108f26c5ae7c2a08172b9ba83a99fe3f50a2e16ad4df898c02ada8acc290291b",
    "signer": "0x243A439c272133AEEE0073AF4986dE391C430866",
    "userId": "77551267"
  }
}