{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "42417",
    "entityType": "User",
    "nonce": "0xcd7b140b7a1b88ee791af1ac271f80fd090796df3a7d5b08badd938357d39016",
    "signature": "0xfad7e8edaf3504a4b385a54b809880bd02c56068307e633e7a1f711e5a3657cf667a460d09c0168f56df2aa17b1f3ad6cd064bd4be4aec4d17a8b230e2de04bc1b",
    "signer": "0x155034f6eD69f44c70DeA680b32D0E033476403d",
    "userId": "698313513"
  }
}