{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xad1f628b1f29928d42c9b892f680f1f80ada3ae92df14a196879ec1e7235b2ba",
    "signature": "0xd800d97536c5554dd6c9e5fdd4fd40dc9a9e2ae19345d2e53620a45355a1067630beb37bfcb7cd2d7ad35125612aecba0f265ff32c4c15c0ddadb72aa86a7e691b",
    "signer": "0x70ED23b43517d03d4Eb500281727a739e4e76564",
    "userId": "934902996"
  }
}