{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "58590",
    "entityType": "User",
    "nonce": "0xe3b89f5f910db15c962b598455fd1f124e452dc2417302f93b858baeae4d0768",
    "signature": "0x1c11d4f2a5ce56494cc7c1d23da878b95a79414eb2f18b2be28dbeb5a9eeacb07a46ff2388ee6d9260b995dac66e161073c35c2565355c63aeb1b40155ddf5fe1b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}