{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "832604939",
    "entityType": "User",
    "nonce": "0x72276a7637f8cf39a4859e28ac26ffb0a1b2d9758a3459e52165d763802382e0",
    "signature": "0x6714a7a8c67591a700b7e50b56802c799c585c13b1f2389f3505c560867d8f6474071e4c6d21dffacb9a282b1cdf0be9e3c340577f90ff68ea04d43ce4129aca1c",
    "signer": "0x84B42609E987DD0953e02498E61987fB833B7C92",
    "userId": "887547386"
  }
}