{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "132289",
    "entityType": "User",
    "nonce": "0xf5c3d280cca1c7ae9e87d77b24093b4ab8fbe82bbaf6c795e11c744873787bad",
    "signature": "0xb1f32d4aaf3af7b29edecb8a30e78426f0094df44851a3d79b93aec3aa8aaa245c85b9ef982352ab41f522f73c005a496c5083304630784b04a5da8cb331b0691b",
    "signer": "0x84B42609E987DD0953e02498E61987fB833B7C92",
    "userId": "887547386"
  }
}