{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xacc1b8deb8a437391e2683a7aa31808df4373d4ebc256e0ffe491243c1755830",
    "signature": "0x19eb307c0983e78a409857c0e77576cc125fb5836d8b4546189132af56e73d27792cf444c3a93e2fd8797e99713c2ba26f86d54a688d51e15cb1f6370c684c2d1c",
    "signer": "0x6DaEB57455d2Bf6F5a24b065605914c78110F503",
    "userId": "179492551"
  }
}