{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "136369",
    "entityType": "User",
    "nonce": "0x61fd8ca94e5310227cd1178bf1beec6da6267ec82969cb107a9b3bf25e89b84a",
    "signature": "0x83527b1ec3d4a6ff31ac6f356633fc63dc17cdaef567c6413d7f38d8abf5aab87c942bb187cebee393edefffffd4d3f0ecab621ccd67add2454d9258eac1382e1c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}