{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "94953",
    "entityType": "User",
    "nonce": "0x03312ef4da78d770948634a8587b5c36797ed808f04971c23ec08d1081f7ae79",
    "signature": "0xe9f2b82f4bbb250aec7f246f0ea933c167a1f6da373caddaba1d7086269107e411965375944d607b3f28b2f9f3642896f8b7447250cf209da78709eec79688431b",
    "signer": "0x712Aca9aA6ac07F98dcEC338Be9C15c3Dc47d569",
    "userId": "12730129"
  }
}