{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "464427506",
    "entityType": "User",
    "nonce": "0x015230ab44099a77569a2b6b5e78781c26a075467cd76f4d06b356a96d6aa06d",
    "signature": "0xad85726151f054c0ca18f0d5c53327fed32e01eae83b53a72905273a768d5578073b197db4514257b0d21e2facc7568e11f21bc96e9de80ab5a41001f5d136fc1c",
    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}