{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "122939",
    "entityType": "User",
    "nonce": "0x9694ea1fcb5085bb90e8c0db64d26f8643803acf26d00ff542a0d39adfd492b9",
    "signature": "0x6995aff20f30b64434264d367c2808d3a4b7a17979c9d938ba18c2be5ae0c774744848e02d1f75408f1d1c5e04a1b551a28c3f3cb094be6e286722d862afc7501c",
    "signer": "0xc5c542a604880bF9049870Ee92c9CA4594Ed3129",
    "userId": "277347377"
  }
}