{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "895209133",
    "entityType": "User",
    "nonce": "0x2445fd6810eee8c97d993ec0d883a48fa470c555c9e220b6ca0f76032a8dbd3c",
    "signature": "0x149eda523331e0fc6d0264bddbbf6b66e2f05d25320600a3558493c77a203d3a4c64879770e443ce4798cecb0d2334129c3928b2226204e4b26455d5f675e2f81c",
    "signer": "0x03b70C3825d7b9e568C53C89a738061d855d0dec",
    "userId": "578849678"
  }
}