{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "83964",
    "entityType": "User",
    "nonce": "0xeadc7f8cbbfa5cdc46e281177ef6279ce788adf2cc1fcf2217ab0d34bfc6bad4",
    "signature": "0xd2dd2cdf3285f045fcbc0928b04db53218ff84fc12690e3a097258c624d024b3341eb8afde8b107891badf872b047e754fe9b66e67d228996072a80b0b74f0461b",
    "signer": "0x6eF66a6206A4589bEd5849d15Bc2746C2603b01f",
    "userId": "989336341"
  }
}