{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x60b0c4f93656430fd3b7207273ad5d8e5e8995e188c7d3ab36d9267bab81e0aa",
    "signature": "0xbe5911f00c57c246f3dbdab0b73caba8dcbc7b461af30e243fce793daa977305197e2dc9d878fcdb07a171dd243b759962a588e29c6506dc3fcfba60304892c41c",
    "signer": "0xD36bDCCb437D2A1C6Bb0570655D039F812552b8d",
    "userId": "811169491"
  }
}