{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "486490947",
    "entityType": "User",
    "nonce": "0x7ec8c726d97884e4c65d24a9ba3f6bb9cf12420589a09cf095a0c6fcbceae0bf",
    "signature": "0xd00135303e4563e7def428ccdfa99f57d9f9c5b416eff45e686d43d8b031e0f8300543f688c09e1b2aad85cae0174894ef7af3aaf22697451650943bb071f6ce1b",
    "signer": "0xE69EE1e71C27cDfa05141f1DCE82bF0231AD05f1",
    "userId": "933842159"
  }
}