{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1885116",
    "entityType": "User",
    "nonce": "0x4812776bddbd44d9a4a5f9abcb322d79934373b5c211959f9c8a2a23f427d67d",
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    "signer": "0x4230116F60d3989D218B84425D3D1Dd6C85e1393",
    "userId": "86128800"
  }
}