{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "863774823",
    "entityType": "User",
    "nonce": "0x3ac5bcdd506153fe37fa206d619adb4bbd60095fcb187d0f7d9336503a6e3e0d",
    "signature": "0xb604e5a1aa3f7cdf5dde1993a7a0d695b10309b05382bbee9ca85a325b1a2f6a03a554737e2ba643223ba6a20d0c54447164d7a272776281b5e3b473b19bbbd21c",
    "signer": "0x0fe82f565AaE260D57b8e691c61Fb05fE83B6F81",
    "userId": "614212580"
  }
}