{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "913589672",
    "entityType": "User",
    "nonce": "0x3ee131c58cce22827200f7b96f2478eb34962b4cc7dfb1ad7323b5d29b0c1c2f",
    "signature": "0x712c4cd0fc6cc521c40ff2bbe1c537cca1a495a408159ed5964271762801e0860494cf474b97eb1de98c5c05931cdf865a0d7d1079ff9c0655f79d706c1252931c",
    "signer": "0x292eF57C1FAAc86008ab58D5116e0ba424C9189b",
    "userId": "721084704"
  }
}