{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "55290787",
    "entityType": "User",
    "nonce": "0x40d17861a7ac472b489a5d875fdb075c770899542b5f47af8e42b0f29a97c1ae",
    "signature": "0x0c116a501679620280541d7c37157621c7036961be5556ac02ca28142b73a25a1ac336161904333eab379cff5fb245db17b344c194e1a60b061ddeb64e132c351b",
    "signer": "0xbe916820AF010608151C80f3A74F7c83218094B2",
    "userId": "881446128"
  }
}