{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "208569",
    "entityType": "User",
    "nonce": "0x9736836c38f6b2ba1bdf744af6a77e7334efdb98a5d29fd6eefc3602e7a76701",
    "signature": "0x4fb4c2bca414b6fedf305575e8f23c3819ddf2bb19b4b7a006b024fe467823c72e281d1074d9dbc70a83b9b0fa58c52097c239883fad39eec734ec232faac1bb1b",
    "signer": "0x48ECe992edB7C739B36f37DDbE8Fe352996B5A56",
    "userId": "183063753"
  }
}