{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "566075266",
    "entityType": "User",
    "nonce": "0xc1b92584ec66a3129faf0d12cfd4d636860504502cb06f25affbef135e644bd9",
    "signature": "0x7d505587ad8116bed04ebed7502b399ae5bf36374361f424280421f0e38d24244c99a13789ab4f6ce6f6af99fe6ce70981daa816c822eaa562bd6b1a497a26591b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}