{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "155973826",
    "entityType": "User",
    "nonce": "0x99ca7bf7a240e5ea4ce56359eb66b1277a55f537d4fccd2bb98242916046151c",
    "signature": "0xeae1e06713548612cabad9dba79c3ee21670fe05907c6cc004d15044a4b19d5f69ecca966549e75805c7bee6d5637d0565bdb34f7f0b3a5db738269d8e55d4fd1b",
    "signer": "0x24844077bE6bb825c0548F36B4EFA030d05Ee1CD",
    "userId": "601282125"
  }
}