{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "222630",
    "entityType": "User",
    "nonce": "0x2893a77a0d590db33731bfe32a4d7e7d8060d20c177651f857d5ea0fbecc2ced",
    "signature": "0x066b21e5227ccb1bc2161e368dd7628c533dec10827c62962267fd8b739b93772feaaec4299e57cb66a04f9eaf1cf859c899fa93848758e6e4de486abbd23ed61c",
    "signer": "0x43dA66b40816c8fb9e2B0AA77E0643192169AF14",
    "userId": "636236864"
  }
}