{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x861eddf4544ff0df3e9fd77556e8f3e6bb3bcff4127aeaf302c95205cb443ff6",
    "signature": "0xb3259b7fa46f8bcfeae975bdd213d65b1c70ffc6f40e0f1460d2a47a66398a0e092160ecdbe0573314c5638c5c708911bdce4608659eb1bf9f4bb898473b4baa1c",
    "signer": "0x792632D35Fca4cc5abA0bc6B33a3F6729b4ACf3D",
    "userId": "509819410"
  }
}