{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "200582",
    "entityType": "User",
    "nonce": "0x5c19370dedc48e3919e28d6e35e2909d4ddf6c1ebb3929911f841632dee0acd3",
    "signature": "0x930dc70e7996a837e83b7dd125442401537e584430bbc01ba2af5279b070daf40603eb333296cc578c1c1f58f1144437bd4d7602a0654ee31d52e491df19045d1b",
    "signer": "0x6eF66a6206A4589bEd5849d15Bc2746C2603b01f",
    "userId": "989336341"
  }
}