{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1426672",
    "entityType": "User",
    "nonce": "0xb91b1fc92c442beb3e1fe9f7cdd413962487e947aae527ddd4e4930505393767",
    "signature": "0x1631d3d7f0524bc3414905c4d9aec7f0d5e644063c548c69fcab444b96c3da640e6b54c82db9b64b338cf05d554c0b4d11db5dd30394e471bbca032463ccf3231c",
    "signer": "0xF51C9713C5C3140BF8cB782347F1b82eE0E00a77",
    "userId": "956656697"
  }
}