{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0x99d523980338bb0ae0915a60605839bab263759004bfa2286a4e46b77c1929ef",
    "signature": "0x77b890987663fc209ee7cca19f0d3503152512101296e8529202e8df35f5ff76536797077095a8a7248422cc318e9c449aeaacd78cfc54e58479ae76cfc86aa41b",
    "signer": "0xDDCce44d487ED1f7297d836241df35AAB6D867b0",
    "userId": "22610281"
  }
}