{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "456716469",
    "entityType": "User",
    "nonce": "0xc172c2ce42a35cc1b0eaee94619b2553649db03a4372a116e4349817e457e4b0",
    "signature": "0xee108290ee0849f6f2483e59ae82f4825d5c583b522485faa5ee8a2c2b9cca5178baf910354a6fac655dd6c7c849f285dbac9b4150b2b810681c34fe0e953f1d1b",
    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}