{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "266744",
    "entityType": "User",
    "nonce": "0x9746f696ec0158367fb7647bb524720d5a123ab964a53b57554ff6cdad5576a0",
    "signature": "0x48bca4ac4fad12af7435caa8ee9b362ff766228e454c033222867215af2ce0d61732e1468252c6588d55bf9b3a300acf0b041958535a066b70a6373b0ac4569b1b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}