{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "424541048",
    "entityType": "User",
    "nonce": "0xc0056eec11064105e0cd22876ba74cdf9e93d9a2db6f0000c2926d935bc649d8",
    "signature": "0x2b2e987307203a847fc5c76e3de36fe634f87d2f5baf3afc4b484a13a07829dd08b6506729d1a3c4a2fcba9629b607c1b3981a41e40bb525a2fdc395bd15a05d1c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}