{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "117866",
    "entityType": "User",
    "nonce": "0xb7f18f0777157ab1363614813d47fe0a263a7d94997ac06d61b6b49f01a51909",
    "signature": "0x07fe3ea4a140cdf67880eb2f3388a3a57bd038ad2bd0fa5df9b612b0a026e6093bbb8e6963b032a67da81ad782c2365dea7fb9cae3d9c0f2f9abfee712d9084e1c",
    "signer": "0x866CB73184a8420C302e3850B610761F882C4DDE",
    "userId": "166428182"
  }
}