{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "365967",
    "entityType": "User",
    "nonce": "0xa63812e607832776a523f1c3090391c33ea81c146e989b68338a481616b795d5",
    "signature": "0x719fce44ea9b2173f4c04a7dc32b4949a8a45d5de75555e97220602e9e0a301b3d187d6c91e7a6919d193039a0720c49f16e01bb3cffc63de2933c656b6c46281b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}