{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "200080308",
    "entityType": "User",
    "nonce": "0xcc986a64c90ca6865d6942e653dd6b7d30297ea6b3bdda0ee409508d17a2f9cb",
    "signature": "0x4d28b31dbcec698d3f4d819fd03f0ae6335236e1656bea517effb9f173da2c686dcdf3a1ec6bc355bc12b317b2a257fafda56363655c13a02a5268d59de6da121c",
    "signer": "0xad12A53B30a86D04715B5663c5832Df6E2Cb9710",
    "userId": "980941"
  }
}