{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x5dc2804f5217655b22659c2f9a85d96c06d4f55cc16e4eb4a5de0dd15e7ed53c",
    "signature": "0x111f7cf2529aa35dae19376173689a39324ae927ed1a1ba57443eb7e759ec72b47a095a3c7a5c4093d0bc3fbcb5a1da45842c20d8525945fb3645abc6dac18781b",
    "signer": "0x380e2B026A85789C37e15BC0833b18B9e0cA63Ff",
    "userId": "361209907"
  }
}