{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "152097857",
    "entityType": "User",
    "nonce": "0xb223d180e293e22981dd238a7554c489ca144f766fa36ac12d695d85fdced125",
    "signature": "0x6448ac3748515dc919403680bedc530731c2b274a5f50ebe25fe3db094fa4f610a8cadb3cdb2f6dff7b1dc388c3e1e8cfc7ac5d19164dfafad44c648ce415d981b",
    "signer": "0x9765cbE8e26a2c6c4847C1B69ABeB0B5250EC254",
    "userId": "678556080"
  }
}