{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "609837226",
    "entityType": "User",
    "nonce": "0x14b92fd97a92a2aa48dc1433f1d9ad698563289a5f412faa58d816a7f6ce208f",
    "signature": "0x237fbe82f94d8a1a0d11c122f29c0d30c11866c21bb5f1715ed2b3a987b0947777d2d8c52ebf472010ff7bbb4697b45c7a446590b03594021783e2a86f6393031c",
    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}