{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "779509",
    "entityType": "User",
    "nonce": "0xd855713d1c205e7c2ae34c95f954b9cee96385915141a7820b9a1ac98ff6f0a1",
    "signature": "0x2edca719cc24838e1abe5b2f92ba11e93004480d6e2e9438ecd2d2b8cbe2ad477491998aafd5236688f4726f04cdab8efbb4e3a2d7ed03778df882a7472bc34a1c",
    "signer": "0xF08935327AeC6306C8d0eb92999567e5496848C9",
    "userId": "989073793"
  }
}