{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "806873848",
    "entityType": "User",
    "nonce": "0xf83ce2d88ab55f80bf85b30756b54a1a8b20c97d2d8d9eed9a64ead4a7df407b",
    "signature": "0xdbbe656fd2f5cb4b0324ae996d39914b4eb28e8a89a820fc2def26f9cdb7aca11335f638a730223f844db2c031792763970a89d0ca0cd5c239cfc65e1f2711561c",
    "signer": "0x712Aca9aA6ac07F98dcEC338Be9C15c3Dc47d569",
    "userId": "12730129"
  }
}