{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "133392",
    "entityType": "User",
    "nonce": "0xd76d3107a33bef61d98987ec827be32ca545c8f079eb610b4994bb84b22aaa3b",
    "signature": "0xd6538bd634554bfae30da94251cc2400e32eb2adcc2cab789be337d57a1be2e65fd0628666b01291f112dd740c78e2338d8eb5cda8e71d683060bd51dcb995161c",
    "signer": "0x7D66EB5C62E56222e5A40F47f9190C62E1611CD9",
    "userId": "913116841"
  }
}