{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "14833",
    "entityType": "User",
    "nonce": "0x58b4f30b32e0805cca005c6c9b8b158647a5b01d632a52ee4e6b1f5dc0c0cc18",
    "signature": "0x19a129a2b20389f21472a7bc8a1f5e352ac93b69841ff3b91d2620001fc87e6a459b04aed931ca6a45dfc4fe32755302fd2dda8f54b6893578ce9de370b837881b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}