{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "127164",
    "entityType": "User",
    "nonce": "0x346d8c462d3f3c06e4fd98fe1a8b7ce4ecc571123e9f48f338133a5e6a6f0a79",
    "signature": "0x51ff96572c1e3bbd27b80b5ce02617ad17b46bef4d45520200ad5d90e4e609732ff2d9a9a0d44bd5bd91fcb975ad7e24fc43877d3fb28ee11acbfd52f49089a01b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}