{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "185302",
    "entityType": "User",
    "nonce": "0xb88ff6e191517d29e2b2008336a9994f5da4b8482e2c80bf85b14f81fc73b640",
    "signature": "0x4ea871294b44ef7217201c2d553d3ad05d7186647c78bb41e6beb203c3b935f00725228669b3386f352e4118ea0712f899ad80f804829a9c038f29242693edbe1c",
    "signer": "0x31cE923A8b73598247D8639D61384308dAB45c94",
    "userId": "338949331"
  }
}