{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "111928",
    "entityType": "User",
    "nonce": "0x758aea2932deb1e74c66ad861e091de7e03754a74b8d9cfedfb42b72ac7f8d54",
    "signature": "0x41e4ad9c45b33bec967c25fba06f887e96c3ed2f196fcfb4a7d79b2c3716c43371c566cbd37990d66cc7f3fac6c816ab6e7a4bcab17867a56b1ae09c86f911d01b",
    "signer": "0x6Af6D40d1d0B48D79D2bd3E3c8f0a45540130c0F",
    "userId": "89433"
  }
}