{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "501531",
    "entityType": "User",
    "nonce": "0x06216f7c4cf56cdc386f212761a21e27a86911263222c623e68f15ca4dbfd5a8",
    "signature": "0xbc673a209bcaafe800afe1ba4f04f5f129cb5d1c23de2c58b187180d50107da842304527410b7416dbceee5f9c5a3e6c4bd58f0b029f5c8c135df0ce0ccc4a2b1b",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}