{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "190942",
    "entityType": "User",
    "nonce": "0xe9b20e2e1b605337076244e6cf0efb8ad0c8fbd977457810590a5e310b58226e",
    "signature": "0x1b4362c93b743a61535c16f7b95f089825290220d626080fcbc03fead38891ec7cfc30178744f7317695bcce9eb55cacea613e7c35cba10e2211e80118cf3ff01c",
    "signer": "0x9698A898Ed554B831a7BB69972E1B05eCC560430",
    "userId": "967510490"
  }
}