{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "68584",
    "entityType": "User",
    "nonce": "0x915eb023c9add76cc423d8eae88e35035d96836291d6f19ed53e78845136faab",
    "signature": "0xbf0ce35a0f1ffa672aa143c309f3fdff3d486570d1ee9975963d8b2e5bafd2a377d042da261da25a3e5e9ee435e4d2a0cc06b1800f254fc73699a4aaa8d46a821c",
    "signer": "0x55F8937EF7902E83b15F5BB7c7bf72a0a2989C54",
    "userId": "233666542"
  }
}