{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "101876",
    "entityType": "User",
    "nonce": "0x06be0c0bc1ebf5e03d65bbf91e202d461851f41d9ec591479ad76ca123656c79",
    "signature": "0xab4910a67d1bc2a48c4e09e645601a83c69a89178e3bd2ad48693349316c294f43df394fe24db058995cab4b60a9dc7c47152a677cef7d623323627386fa6b151b",
    "signer": "0x84B42609E987DD0953e02498E61987fB833B7C92",
    "userId": "887547386"
  }
}