{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "57594",
    "entityType": "User",
    "nonce": "0xc9b2702f04c56a48e8219293efb732df7efcb4f8e4a726fe67832b666de725a5",
    "signature": "0x9aa53b7b61fd078ea40283f84a9d3ad86afac4541fc0615a2bb71133025fd2d77ea93ee2165cb1c13068e7fbab69a30895366807b8490ae56b5d60b16a5ab6871b",
    "signer": "0x712Aca9aA6ac07F98dcEC338Be9C15c3Dc47d569",
    "userId": "12730129"
  }
}