{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "650714154",
    "entityType": "User",
    "nonce": "0x6a1dbc5ee607516b1d890dbdef407910dcbe73aed2f58ad365b4505d0d0976eb",
    "signature": "0x1e73db656f3bff223165d0bbe7ac0a02e15af94af7b859f015044c879990e029468dc48d4b10782d0930dc49ac74aadd11bae41e7d94c32f59f341f898ae938e1c",
    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}