{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "14811",
    "entityType": "User",
    "nonce": "0xe81c463f72b3536bbefed76771006f882658a5b7d65835e36a53af1e57c738e5",
    "signature": "0x329f33c73f6a39a9727fd6f4b1c9fc5f15cd2fa37749c6ef25d196ef60276d1a6e44dabb25e837a0667024550f696872d4eabf7dd1b04d3bc18c9ab190c1051a1c",
    "signer": "0x474B8467757bEdBa76afC2394cfCb801C991B143",
    "userId": "815537464"
  }
}