{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "480358465",
    "entityType": "User",
    "nonce": "0x82f3ae21f25ba652bacf4b460dd9fb79233a308022b95129a176bc73202b0d15",
    "signature": "0xa2057ab6f3fb9513d02c3a40f0662f39f6079420b5c6ab90c35f3e3ba30fa87c0327602e90b0b68818df69db29dacb0b1fa642ddfafc54fd98cba2861da6464e1c",
    "signer": "0x9765cbE8e26a2c6c4847C1B69ABeB0B5250EC254",
    "userId": "678556080"
  }
}