{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "52708",
    "entityType": "User",
    "nonce": "0xbeb42a083a5e65b59ad3832e753d422b6bc4b71ec1af093c89008b0fd73bf71d",
    "signature": "0x0f1502ef6fc20fcbe003a92c935f8936aeeeabc277247b2243395f4f73eadb996e95e658b2453d56c677ec262de9fd7dda6b38dea86c281ccdc3044ed10b705b1c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}