{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1863106",
    "entityType": "User",
    "nonce": "0xe4ee85718100ea4cdfe3ce2bfd23ceec3ee17af1891f4bceef0f7621c753c2a2",
    "signature": "0x322db1c0697f0e495f8f77838c4c6968e66600c8627a0fdfd4b589f1653b94bf5b2d9ab194f48420a56be29f7ded71e5463c6a32bc5d648ec304d63de26a149e1b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}