{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "56835",
    "entityType": "User",
    "nonce": "0x38b3a2ebdb29a6737d607b9caf109237ea9dd673c1f9b79246a3721dbf203819",
    "signature": "0x7b6e905fdf86bd37a703cab9dbd29bd4a5d7deaaafc84c4c5f15d3272acd040123ca8df2a1e3be196f50314f8e3e8fcce31ad77c096892087bc4f6a734b7695e1c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}