{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "5862",
    "entityType": "User",
    "nonce": "0x052d76f50d480489d1b7dc7ee4458c904ed2216130bdeea16c240ced886003dd",
    "signature": "0x69c3ec1a82650be3c46fc6865e1f4336edde17a086b4a623c4f8aad00df910e35d5dd096937eb42e8e8bd44dc7d78d05c8d68594ef9194b64459230258ff309e1b",
    "signer": "0xa4A8a4853051b18e0f0f777693Ce34CF4bCe9385",
    "userId": "634886384"
  }
}