{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "329513359",
    "entityType": "User",
    "nonce": "0x2570c2aefdd373bd1a27ebec0124326c7be4bf279a9123969064dc4905acda3a",
    "signature": "0xe599eee99fced14277594d4db11613dec5aab13308bda3b216c036bd19fde5bb3002f3afbdb94b10a08c209cee770a6a08233b7189b236263dfc1395a0b489441b",
    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}