{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xef1c069007098a223496197a1c5700e54566858326f616e32d1e87a4adea8620",
    "signature": "0xb82897c3fb25533740d36255b64c61300d89c82840192fb6b8da3445d34a16923bd60c04a1493597ae193e41308c3ace575380fe0220ee2d782975dfe22e2ded1b",
    "signer": "0x2E263b325cA1a726bb3eEa56748506cA80Afce65",
    "userId": "961975766"
  }
}