{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "234183",
    "entityType": "User",
    "nonce": "0x182ea5acc850672bea12c784ade50c50ea42fd4f676571a6906030cdb6590a4c",
    "signature": "0x9b76558bfaa1d20a41a29cf3afc2837be08844a5ce5012628fe17f6e8e8d7f3a628a1ba9b857cefccb745c3077604ffc43b67df4ee80a1e6b21361d86cd407291b",
    "signer": "0x7451Cf52e883bc4483b88591c194dc3942E7F191",
    "userId": "584186978"
  }
}