{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "299279",
    "entityType": "User",
    "nonce": "0x7dc8cc09f1e70df25a631ad87eae8d820fb0380132ee2c3b31f5f8cd254c838a",
    "signature": "0xc2e5522eea15dd2ed5566bdbb3df239be31c5a9fb40f814d71d04ae95e213b283b0ca887b3e1442b3c671a65b6868d012c27b832508c640602454b9173f2efc21b",
    "signer": "0xEC8b66252F8C4387beB60Bf8700DfFB53f28d877",
    "userId": "391278306"
  }
}