{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "784426105",
    "entityType": "User",
    "nonce": "0x5ee2d5c1b6b79e24495cb8006a6b80be7483e4357eadb9435193e52e740c52c7",
    "signature": "0xc25e3adb41befac4f8d13ac6534cfa7f7c850edf214b988cddc9fa6afe90cb1d5b9bf4253a6ee9d5a4eb195235f510f103b696a44cf6d5622a87274783341caf1c",
    "signer": "0x96818aB6687d2E9bA070EB1d6843ef7BfEF5cDa4",
    "userId": "806873848"
  }
}