{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "909603442",
    "entityType": "User",
    "nonce": "0xa2326bbac7cf76b3c40154499a86f2c51e919a8497239c1bc3f0ad7959ee7b7f",
    "signature": "0xa6be058afeb50903e90bfdb6b1d728d3292c9d8d60393add8a20c3e29c8ce1a97adc15c5b42b41f72fa2e68dc4f6d58a6cd871eae59825695b738af9553d9bf41c",
    "signer": "0x45c4f1dcE13eeF476C74C5758696D56137253980",
    "userId": "824478223"
  }
}