{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "50936",
    "entityType": "User",
    "nonce": "0x2d1ee3c1710954f6355f527187e147e7c5ee4702507c03af88f5f008b4886118",
    "signature": "0x49460b398680102bd884f47e7e0d6b69a5fc6a818111ad32d4a16cbee0fe57251867df19d0fc0cc10b73bf2e61468b04ed3b8876ad7da2c72b906501b7034dfa1c",
    "signer": "0xdA0eFB0e7b973C487c12501759aDb23012CB5248",
    "userId": "178070"
  }
}