{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "17239",
    "entityType": "User",
    "nonce": "0x0e8de75c3052fad77280ef5d4bb5df5a8d0b64ec6338dc705720d74eaa06f0fd",
    "signature": "0x0a10e42415de071ccc5667fbb692d739b780c016b61bb91eedead9ff2de09fb8738e99b2b09340f85c89d479c0bb5d1ba26462d420e564731266bc914546678d1b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}