{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "279392",
    "entityType": "User",
    "nonce": "0xf30e7da009cf243e4ff50fd2039668197f83e959b85016eaf22d2337b5828dc0",
    "signature": "0xf5a441997be75d4dcf9d674b04e40c3b48a27f9118c3c7d03dfa0c4b57fd2b447e98e37c783401d42a59fc4e114d969be89f2bab0575953a9547f30ba35827031c",
    "signer": "0x38b7AB9474A04dF6f214127Fdf6c1ADaADF5926E",
    "userId": "571039733"
  }
}