{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "50722",
    "entityType": "User",
    "nonce": "0x077557eabc34c8da46f669307fb3137bf8444998c1d94f908c2ed39032292fc7",
    "signature": "0x0c3c26ac0f979f2f634cd2bf595c8fb37fb1f8e7190f1806f24efd876a1b62223565ec8bb197393cd34088b55b2ff591306a89f18f08a4b4bc24dfa410bca6e41c",
    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}