{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "3129",
    "entityType": "User",
    "nonce": "0x92e9fa70e040c484e993b03fb3e53cb62ad4abab4732564df83cddd87aca997f",
    "signature": "0x23f733c2228e33cce58aba19b44e874b5c8f8569808c3fdc01e087f8eb8329ea1293293da444fff33ac50646bebd6fd034e754d970c6635e454a6a7026dcd25b1b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}