{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "269169084",
    "entityType": "User",
    "nonce": "0xc3334fe20ac877e515be8ef308280ecea122325e9a388da04acaf5c6d5442e43",
    "signature": "0x10a2808b8f07ad0cc666624559b086c443732a6e3d5729d873fcce0d0f1d04fb7ee8b21dc4102192b947d0d361aaf78af4068379a4815c94ad088268dcb8743e1c",
    "signer": "0x884490CFa947bC5C5d41834F53666866b78D19d6",
    "userId": "475900419"
  }
}