{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "917339310",
    "entityType": "User",
    "nonce": "0x9b1f33a262484866dc3006d1a999202e2c63d8efd53985ba9a2dbe4bbaf629bf",
    "signature": "0x6cd48174acda3ab94017d4f3167868e0026604dcb90ff5bb86ecd8c42b69b56b1f5472952a2400cefb738d5e774792aaeedcfea36ac8f9da69139041b4cc47141c",
    "signer": "0x14fa63A530B7d9254d20B110AAc25ABF49fbfa9d",
    "userId": "182428"
  }
}