{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "72359",
    "entityType": "User",
    "nonce": "0x2c962f508b68c1d3fc30d1fc617611d582ce75c34bdb432eb7a40d90bd5bf688",
    "signature": "0xbd068dbfe2d35f0e28bef5d81cbe1415182a9a547c4fb41859533cac8dec120f3ccf116edb2ba660d1c354a5f741d9c74fb9416b7c53bf4d2fb2eb9b82425d241c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}