{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "917715333",
    "entityType": "User",
    "nonce": "0x0b8653e7e6a06d6852ff11a9c9e64f8a07d253bd433c9fdaf52fe85cec456d5f",
    "signature": "0xb32ab4dda8fc263347d08827aa5e59e3e1246e338dda438ebb114c905760c4d96660fa4097e6872ea0d81367921ee0020651d4e7d0b769f91904465f1137da6d1b",
    "signer": "0x7E7b9c4DAC3F284d889a5bc274eA80b8BA5F63ee",
    "userId": "670307808"
  }
}