{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "895527427",
    "entityType": "User",
    "nonce": "0xefd841167c4053aaaaaf7e9e7a61d115df935542fbc6ec4e381676a8a0da8f3a",
    "signature": "0x1dc03ef2a45752df7254b801f19d8c4e88590d16577cff5a1d6f28a00d947b4d7388e5b0d028ba578bde51cd4b064a4a896f9ec68f2376497200a882276d3b021c",
    "signer": "0x42cB1e20D724BD902Af64cd85c700BE6118500bD",
    "userId": "47154652"
  }
}