{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "240288",
    "entityType": "User",
    "nonce": "0xf5ba00b1fae3921f6f2c6eb751355732c8e921d32d28e366d1073a721b839bfd",
    "signature": "0xcf15a780e5912142d10799abd9756bc4a0b6ebe2791cc469c47b67d96762e18d62c9b61d56b82d67dac2dd0a41fb887e18382fb40613efaed1f5039364953b221b",
    "signer": "0x88ad765B72fb060B3adbae1FA44A6C64722E1781",
    "userId": "236177"
  }
}