{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "5307724",
    "entityType": "User",
    "nonce": "0x6d879026e4dd431ffa6545a5b79ee7906d870f274b9248e9d312b55bb653f56d",
    "signature": "0x4c91e1a878c15521ccad224d98557ed697371a77a2d11269a6dd089886570ee86ea85730c52d6cf3329476ea55bfb855a0647ad2fc3d22eb89a7bd49f2c3df301c",
    "signer": "0x1A0e34aBD5374BDd677c5de4D5D9718089cB05Eb",
    "userId": "644286186"
  }
}