{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xd9ca0a178bcdb90c54a0c298d6d641184926c386298bfb69242a6ebaab693742",
    "signature": "0x6a35049e40f0995cd8ea1fc271ea809f3c8ba269eab7b60e873a5ee9ddadaf5b0e5f876c8bccc24fc94cd4794152e106026b3efc53f312d1469d6ffb724d42de1c",
    "signer": "0xceFfe9ad073f96B59Dd62fA8540630e96e9dac00",
    "userId": "688642427"
  }
}