{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "14811",
    "entityType": "User",
    "nonce": "0xe7053d49a5ca473cb8d83c340fc4e9b909a557a8783e0dd1c058897efe6da87b",
    "signature": "0x6f45f45cd96dd094da7dd5aac7bd3f94d43611d08bf02efc0082d711894a8dee38ba00e21d908de94d2ddea0b875b974ee0714acb77371d3c18e34422ee1967e1c",
    "signer": "0x57Ad6E2E3fFc5ABe9b5FE7DC3bF7c07c8cCf9Ccf",
    "userId": "571702334"
  }
}