{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "932335106",
    "entityType": "User",
    "nonce": "0x4455f712555dec12608d6302698105a46b1b73db81d9b2800eedd9ab7635115a",
    "signature": "0x5d67287bd78993d274c2427a90cfb932d0c131dd6822b85cd59b676fa1e5cd28303b91c66da65ed08510126bc3974d34e67a85a1779a9a432b099952399db3911b",
    "signer": "0x5452f86EfcB1153FF9C10bdbe4103Ce25434D124",
    "userId": "620307004"
  }
}