{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x2477e07c171aa4b936501de2a4f8429a56ba6fdd054045a3592a734711fad710",
    "signature": "0x82327c29bdb10a1a21abb3a411749c21d98e8b71b2c1a5a293c20decc03aef926b7127dcb3e4c5ea00e62b5fbc1d6d48af3bb71e55dbd7e17f967af3a4861c471b",
    "signer": "0x04d2AeF69165e1c1d73288e89Bf7e0Bf14608308",
    "userId": "501224594"
  }
}