{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0x5426f5b9e8d7d8c280fb48eec16b2ca91fd1502ec1e15808380ec9ccc73bfd70",
    "signature": "0xa13a1300027c4fcf80b4d7b7a42d91bf099e51084710a462fe489cee1fb64ba018f88b33da7029db3c9257e52121a44a68ce09dca4f160bc896b4359c267b61d1c",
    "signer": "0xEDCDB601bD6D06D994739A6f926b9A966563178E",
    "userId": "724632273"
  }
}