{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "126666",
    "entityType": "User",
    "nonce": "0xe5a6b0ae75e5e40609d06b9ce0c83cedc8a64bd289a0a023eadbf77b6ff48fec",
    "signature": "0x557aa23efbbf3899d434d39bea20de8bdeb93602ca8ca12374fa039aa3b2bdac12c8afbe6bd931073dafe18d7f4e88ff5123bb798519acd0353729e5a5f0711d1c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}