{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "780083254",
    "entityType": "User",
    "nonce": "0x727bf950dbb8dd268f66cca94dd2e3847666d737768e79cf3462d1d7845d78f7",
    "signature": "0x0ba02ab55026fd06d057bdbd4977b8fbf4780c5d002dfe3f291a430315a98bbb05350a494094eeedde56463c03b38ad5b07cd1c76ce7ea0fd49254ff7e8b92ad1c",
    "signer": "0x3B72fa667D52755CcB53B3815f3be52AD038A577",
    "userId": "211024156"
  }
}