{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "557210595",
    "entityType": "User",
    "nonce": "0xa35e47c2935dd1b1cc2dd2f6d15418fb00ecbc23564ecb4f3162d5c0b0668753",
    "signature": "0x3ef1b24d41dbdb8b1b9a1e764df1575f122f7816d6b4fe95116b8a0228e168f47abc08eac67262f286c763fa76be92ce05488f8cc4aac2e7a512dda25939bf461c",
    "signer": "0x05aba01c97C4F182D989670622abE9c797782dD2",
    "userId": "508263176"
  }
}