{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "856333",
    "entityType": "User",
    "nonce": "0xc711ed195258a2731af4c7077a49d1537e1c89ce746baaa8c9b384459ae62741",
    "signature": "0xb5c205a75126265afb5038e8e1b690dc9edd77f7b5332b2c68a1cd4576556b7359a70c53203f6c1eb2db88760c445fcd398ebfbb7adfeb94aad6049d4e1736341c",
    "signer": "0x49368dB15B9A78dF090195AD4338818bfA70C88A",
    "userId": "381576190"
  }
}