{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "783705",
    "entityType": "User",
    "nonce": "0xf02b5b889c118e16554d46a2aa000789c6ca9ebd3631bbece2732477f5f44d2a",
    "signature": "0xbc253cd236f72841fc8d3014120ce410866dd7ed60cea56eab3aee231fa73d8c6b66e47e95c23196511e246eb6ac3e9e6e25af046baf77083246c63f02b5f18e1c",
    "signer": "0x36d29AA5C780341f3b35bDE6c1411a7Abcf8794C",
    "userId": "571117272"
  }
}