{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "102931",
    "entityType": "User",
    "nonce": "0x6fead5c26e6e3a30fbc9fae158b01c79b2ab5357974472ae3c832333255e97af",
    "signature": "0xc25d961109378b6f14a3fbbd54ecd3d56faf4da59d35c9155b956c4aa817ed33335a61d0f3f62017ef087409debe5bb1bf6f6216c401771c69dff141ec247f061b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}