{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x9060a7d4aa18a9d71c288c0bb59d36fad1a4f9b094787d040437f3ad47b72fdd",
    "signature": "0x2a61a0e75d93bf10ecd65636af5fa169a1965a59764dbeb4734bfaf433a8ceab4a8bdd004df204f44d7f5e5fc8a55e0fb46cb3a451df74c7f4045374f3e134da1b",
    "signer": "0xc116c07e5c4eaAaB33084a7B895f29d2105D645b",
    "userId": "15382165"
  }
}