{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "222766",
    "entityType": "User",
    "nonce": "0x2fbaeacd791e2e3be4a17dcbd2770d10b84336bddaed9347b0ca4eeae764e605",
    "signature": "0x1f3c5249c52dddbf0fd45a30455f5518f0233c303cd6393b1eef963feca4b2233d6bef72ca8a16f20bec93be47fa07c49c9bc56edba992fb6c50dfab7d2ae3de1c",
    "signer": "0x9765cbE8e26a2c6c4847C1B69ABeB0B5250EC254",
    "userId": "678556080"
  }
}