{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "29242",
    "entityType": "User",
    "nonce": "0x516b7b11aad2bfd17f7d06f2ffb720596b5300980a21cc4e1ecea8c6d829d19c",
    "signature": "0x2763ea3b47d8c22cffad96ce355db885bd4bc8688a6942f57d0f0bcb9e318a195e46118ab55832987443f0ab91eddd98fd63f0cfde25cbd13ff928ff027c52b21c",
    "signer": "0x5452f86EfcB1153FF9C10bdbe4103Ce25434D124",
    "userId": "620307004"
  }
}