{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "803288761",
    "entityType": "User",
    "nonce": "0x92dee9158be90adbf66f36c23a05dacaa9dad26dc8bb03d2ae38d561fac3f207",
    "signature": "0x883bdbc222da28ea15cf60e4720a8d789689ff6f75a9751862a737b9691a8c137ed13eee0c620fe69dbee5d9e70d61f8469051c6a7558625ffa4c84eddf5b5911c",
    "signer": "0x88140a1D59593e5659F5FA74af30c444D9c193Ef",
    "userId": "630153895"
  }
}