{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "967215477",
    "entityType": "User",
    "nonce": "0xd012db7b61027526f06e5eb2666b758a422b47f7a5a77dcabe253f49a7f06329",
    "signature": "0xabb000e4517959bf511427a5cf0dc621fd0cc3c2d5f86f58814339fa8487702c6e4272916805fb0876368b6dbd08cdca1fd168e9435a8dac6d2b86ab8ba2dde81b",
    "signer": "0x6eF66a6206A4589bEd5849d15Bc2746C2603b01f",
    "userId": "989336341"
  }
}