{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "78148",
    "entityType": "User",
    "nonce": "0x8976882531cd6d9a213ad2da999c36e7f22ce735431fb7e0411ccb57c616b539",
    "signature": "0x0980cf8d242c0f65cfbe779bd1369259a3ba70c5e6dc8950e67a26d0bef655375ecb893532c379954e824d0d544730373e9c080df2a639c0b4e358bfacf8491a1b",
    "signer": "0x639B9598C075dEDFE2d8FfB1B5B6ca259D3C425E",
    "userId": "667809204"
  }
}