{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "78075",
    "entityType": "User",
    "nonce": "0xb5fbbca8703b026552bf29dbc8cf528eea8170d2a63da3278692efedf8c590e1",
    "signature": "0x08f932b856011962bee7d56ae61d469161e1e5106bec790709845cf4b24be1b05d6bb93bb03ed4ca3a1c05dff92684c3cef6c813767e7b795da51ea43fa32ecc1b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}