{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "343",
    "entityType": "User",
    "nonce": "0xae06e64cd9b4e3247bcf6c1315c43f1db12e9aa6dbe645d10a679c1d0dce0d8a",
    "signature": "0xe04907696db1ca2ca846299b5e6a1e1bebe90778f876d6ab8ed2cc46bcd4104c7937a04bf14eaa13ae83d2d0a67cd0af3c6e12a4c0163ccfe7146816325f392a1b",
    "signer": "0x8fb06be829c5718Bb968af1525d910B795617ac0",
    "userId": "950478625"
  }
}