{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xed52fcf801035c863b400081a652d901bfa2c0f8f8a98598f2c879fa731ebea6",
    "signature": "0xbc654fcd1340d42458365a81ad1b836b1b208eb630e96c98e7f26ba36754ace13294a5a4655263dd66f4892b008adf767190667252f4f3899ad0aca8b1dd76ec1c",
    "signer": "0xf33Da9D00c98044caf842cdff3d9d9359A6F5B2F",
    "userId": "119807977"
  }
}