{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "863774823",
    "entityType": "User",
    "nonce": "0x6130641ac3929901f7ef03c010fb3d853f62e8cea709661a188d6f43f63afd17",
    "signature": "0x5fe7e407276f548ba9e1239f8146e21bc5234da63ac5f56cd645c71ef736632505d18ac1d1acea47878295322c3a77ff49f3df3fc2c5d9d0e485486310ddb91d1b",
    "signer": "0xC6f6979d7215C4611Cd7aDb30a42B2812294262c",
    "userId": "55290787"
  }
}