{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "296985",
    "entityType": "User",
    "nonce": "0x7701499678040fad6340ea45a93ebbbc01d3db4f8c2275478a3b038d9298a378",
    "signature": "0xb4af84ee254d8987d5d60b61830e19493cdb2c2f21a2ebb92774c2a0c31bebda4ff45159bff168af6d7fbf43566e479ead2f3c2e97c0b9ba9e4c94e525b103b41b",
    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}