{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "2011332",
    "entityType": "User",
    "nonce": "0x0bff95d60d25cf76231bb4b6527cf2d16938419b019b47444ce7828d6c120e46",
    "signature": "0x2b378453dc77a2465a5513ff0a7d4d13136f60b4a14a0a287b80f16f02af90e7482f04cd0e5f7ae9b8815aeda526378eacaf53dd89aa1f779900cce166107b9b1b",
    "signer": "0x40E8E224E8F8a9f835e4dc8851Da72DCEd75986F",
    "userId": "504092010"
  }
}