{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "105981",
    "entityType": "User",
    "nonce": "0xfe614aebf10e3b816a34eb99eb1f4eb84965ebb57de15d9c411204403780106b",
    "signature": "0xccfeb815f02f9db42a09bc0dbfd1d86ef913b51da87a8c1b4420a05668ee162067d562fe433732d793b3b2d405e5ca5371162a32cd1d53d34a11fa2965924aff1c",
    "signer": "0x63EbE5a1B5C5F156330BDf810f5fFf6A224c75c8",
    "userId": "309080"
  }
}