{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "3166",
    "entityType": "User",
    "nonce": "0x920785f143d248e7f4906f99682a6ad8e4508376c84f1273c0d0abe06720bedd",
    "signature": "0x2d6d5a563d9580a353151f6fce1fb1391b2aa518075c83e4d5525ca4479342144cc85f6f62d2a26fac9ef8375a44287081949e5df9808e89798192c65bc3e1631b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}