{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1685453",
    "entityType": "User",
    "nonce": "0xebc5cec65f6c76d3fbe723de70c4049feb6e781adda6dacfb1d2ee9f6b4b9f07",
    "signature": "0xb12c450354431df54414d283adbbe56f8ef0dc8f7bdebcbf85c3a1fb071d864538f85e27bca58be225a10f99e2d876065b3cd555bb9e4f2c1383a168ebbc61091b",
    "signer": "0x5f002eD639b9263aAEdEE0aB936DE9F51c764878",
    "userId": "131017"
  }
}