{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "87616",
    "entityType": "User",
    "nonce": "0x06f3f3cc0f339fc494cb76eff1fc566a48e69ba5213a8d4a506b601c00b2bede",
    "signature": "0x9e6a734ea9f431b19db14caa309c30e011409a2ea8911433ce2cbb201ad7bbd00094bdef219d385947389b79e074cc7bc393b50b337eac96e35d93162baa7c9f1c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}