{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "389177",
    "entityType": "User",
    "nonce": "0x1a6b966da11f2c7fdbc6e9a85956316531115e85fe55dbadd4ac711425ff81af",
    "signature": "0x1b1ee08a0caae0162117db3d4d986d8cfc415878e486e31567c540a4b848ce446b8aeb05ca61ae2e4d9a1e0ae5aeea4b1e3298d40c4c7691d1f268d36de260311c",
    "signer": "0x82cA7Df5542CB66161Dd9E12fb343f69580ed64a",
    "userId": "102548476"
  }
}