{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "939113546",
    "entityType": "User",
    "nonce": "0x62ac4d81c48fc1770c7532d35331654eb32db9e305909f219cdc6e5d8975c5f8",
    "signature": "0x5903a3c0d0531660e4471e9816b68ffbbe1b2b00ad634f2fe933615f0e115243358a969413058985d7027e949fa8c8cbbfc974a16f83670bbf16623ac3151c2c1c",
    "signer": "0x3765700151BA1793CFdF9F4ef4c8fECA3Ea076DA",
    "userId": "957835565"
  }
}