{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "860650726",
    "entityType": "User",
    "nonce": "0x908f7e79d48f5192ddc80260803d5649f0be5f57fb927af114227fce425c618e",
    "signature": "0x2018014b860bee87fb50cd522eb5932b92451a2735dccae00c1d35bd5096ac3a073bce9d926c5ddea1236f785359ac4ff63764715e94c0346099d6a4bc2da5a51c",
    "signer": "0xcc9cCc523005B394381478381D34DddB8558A28f",
    "userId": "957873025"
  }
}