{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "59528",
    "entityType": "User",
    "nonce": "0xe45707b8f578cba0f7982fb930eb0e153e7557721fd46318e4e74595ac350b28",
    "signature": "0x05dafd5135e57b42506fe2b7c45df3fffd37c61fabe0cda27cb8a3b2a444c2e41049241505246b64afe7d32a741891986f91286843f88e0c3ab2bfa9393dc3861b",
    "signer": "0x16D3bf5a80bAfFB2f1550d49b1203D4CA532DA1C",
    "userId": "1994482"
  }
}