{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "76019",
    "entityType": "User",
    "nonce": "0xde3442c823faf90743fa39bdbeb0b0d9f8893c10dfc3b1abd27e54a148944496",
    "signature": "0x7dff4a6d76d2732770cbdaf1f5755753313b7e511b2ecd4bd61f179e58a4cd61705d5cc6a0b4472de701eb6b78dade8387b7d507606b315ebac20dd2464cd4441c",
    "signer": "0xCd69C2Cb50a21531a08Db7A8333c51532ea010f0",
    "userId": "837274016"
  }
}