{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "813159622",
    "entityType": "User",
    "nonce": "0xc174d98f90d9b376ceb2bbb3f9dafb0ab58e8189c8663945eefce97b6d2532ae",
    "signature": "0x7cecfd68d69cf543c0ede455fb0fee012a83aba349a8d32a4dd48f1b2e4f90c91dbd47059f0669c88172456671cf28de19936580f69306eec0273c1bda02b54f1c",
    "signer": "0x05aba01c97C4F182D989670622abE9c797782dD2",
    "userId": "508263176"
  }
}