{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "674703",
    "entityType": "User",
    "nonce": "0x65a3654b8b3a1a4ce815a49e5a7417781b8700466198691bc5f1e34bab9e667d",
    "signature": "0xc54b4532811697e168ce39183882937f778dcb9b9ad9e5e8be56a9ae5c9c62f466b57d725143b83fa2b2162ec901bc1ad9f2f6a1e01a857217ee58f879d420a01c",
    "signer": "0x0EBAA07bBFeB63ba11B0fc9C654fD1942EB02F17",
    "userId": "926810842"
  }
}