{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "571117272",
    "entityType": "User",
    "nonce": "0x8cb097ae69f081caa02f15e524bf67804eba3c6dea2930c7a66b497a17a0c8bd",
    "signature": "0xeefeb8404d425a203eb3a9d0b80fd413ec57a744cf2de22e7cba057dc3bdabaa23e402adc8f94acb89bf9aed7436737d19184eea927bbb2b21959089ffedaed91b",
    "signer": "0x7349D56B2e4C97875AC4a04D9cc648F6510f25e8",
    "userId": "962709706"
  }
}