{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "155973826",
    "entityType": "User",
    "nonce": "0x4d0a00b016b6b989cf3c706716d69ca04182fe45108a569efe11b1f9813417fb",
    "signature": "0xe7731ddf3c9075e2ef21d7bfbba14dc6f5d5596dfd0b8e3f129a4c47fbe5509939844dfdb15c6d73890970c3ceb2320a38fc6885305725c23d36edb7957888bb1c",
    "signer": "0xbe916820AF010608151C80f3A74F7c83218094B2",
    "userId": "881446128"
  }
}