{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "61978",
    "entityType": "User",
    "nonce": "0x5b020e181fa1707fd0d5dc0c769adf3a3a64c2c6d0105e574f4b73ff2af39389",
    "signature": "0x27a6f73db5cf9e64450241c43266651df96b70803084bb1028630176b4e46abb7e1c9d5a6ef8f3a047bb79bcd8d382e432b64bc97db55ac2f979af21c820b00f1c",
    "signer": "0x7a252808bd60a26fe5184c95eb104CfADdA8D4C1",
    "userId": "186415718"
  }
}