{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0xd8e02785a6f85ea7357b5d443efbe767e48c5737e2dfb804b1f28ee13545c9a0",
    "signature": "0xfe92c8f88e71adca8ba9893342f05d568189fdd5147de0190a1be9db371ff29e627f27a5a5e3a10bbf67c0a79db1b4f319ecf3617c5bd779cd841ba6594c45611b",
    "signer": "0x78CF3E90d6e66C1b735fCFd75dE4e88c3F67415c",
    "userId": "587496127"
  }
}