{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "50926",
    "entityType": "User",
    "nonce": "0xdf9dd7e3dc95dd22524a94c22a9b2e358659d7c99cc2eab83e9b71573e338a36",
    "signature": "0xa914477e4496c5ab7e14d9bfb45dd6e9666ceab7de13e2acfdafb7edf62f95d71153e46830b9e63ebc0024e261407383c0f802b2290352008788c92f05bfc4ef1b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}