{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "214443",
    "entityType": "User",
    "nonce": "0xb6da1a7583cc2d27c3ae414459b2ca28b1d6117c4029eee904e077de137de9a8",
    "signature": "0xa62e0052a984318b6caa4a7330e9989baaea638415a9840b8dab979946274f3758ab4c0f1150c5aec6cddb1801caeedd11733bdb433abef3f94a049b86e631f91b",
    "signer": "0x36d29AA5C780341f3b35bDE6c1411a7Abcf8794C",
    "userId": "571117272"
  }
}