{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "129358",
    "entityType": "User",
    "nonce": "0xc4c74e631898d23510187abe1a0d89dde728c6164f838e7d7fbf1f8476683109",
    "signature": "0x33bfde6b8e870c913ec2ce19412eb15a5f0f6af2e0a918e2b76213cd077ad7f467f3581cabccbf6e79f101cf7727d5f3327ef28ceb750b8389fdfcd1fce0f1e91c",
    "signer": "0x52F331C086a11941E738a6C86d9F127E934dDEB1",
    "userId": "281470566"
  }
}