{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "136844578",
    "entityType": "User",
    "nonce": "0x46518fa8e0fc29a70db3641f3660928a7931aa7e96dee28162034ffcdf5c55eb",
    "signature": "0x6ba9b2914533182845ea0baa03ae6800e94c54c66409fc449ad353eb288528276c2f8102fb01ba583f8a8f9b9130f8d55c00961f8f72aa81d12ab023e5c5ee2a1c",
    "signer": "0x2B55314d733BC60522711F9B9914f271d97aDD6B",
    "userId": "224685891"
  }
}