{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "151571",
    "entityType": "User",
    "nonce": "0xdb3d4bc3bbcbf9663096ad8e534036c3c7b7dd6dc9a912a4272c21f7e21ca132",
    "signature": "0xfd477b98a9e32e3a2e835de074169f73639548a90d601ba00c00af797ee9a4a913640894b2d52999a232913ef531f5ee21dca75fa3457a8cfe4e524c4c32680c1b",
    "signer": "0xC35123bF05ca0B3A7B333c53E47bcd9f9DA864d4",
    "userId": "33896318"
  }
}