{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "620307004",
    "entityType": "User",
    "nonce": "0xb346fd6a0585f91be195b39c54886be4372886d5eb81010f621cbb557739adf7",
    "signature": "0x3eb00ee026ab6bcb5732e00cce59dc94417d8d6ddfee7118ee0a1117f51bcbee617724587d29bb9ca22733dc51c0a73a9d3bd7007d5ef4590687a87177fd89901b",
    "signer": "0x6a79014dac58f1D33D45347A909f9628C2132216",
    "userId": "718119401"
  }
}