{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "981716494",
    "entityType": "User",
    "nonce": "0xdf1b50347892b317667f5f741ddc26321f3caf7e384df906fed77ed255b67654",
    "signature": "0x3ea813343f6ded8cc7795e1be4a121999b46c385d6b8738182b49a4a36152d932e834ab60ebc6b3e0d994b2b5c7f31cf872df0811a33164eb05941e6c56eaafc1c",
    "signer": "0xc97A6025Ad8c7Ba1a35Ef7E3A3b88ABc8b2013BF",
    "userId": "666092734"
  }
}