{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0xe290a2cb4a36349cd80d20eeca29c13bcfac3386713c24865ca3d1ccf0b97e77",
    "signature": "0x426007bab7d25cdff60b4ec2fac6e6c7664c26d299572a1207915c605c40e40168e43d5cb7c0e4b3fc955c1b24f5f0c8eec3fcfaed0875c63abb3fb42acd84211b",
    "signer": "0xbF4F1f4df4779768AfE75515b1552a2Bc5b4Dd32",
    "userId": "100976759"
  }
}