{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "62799",
    "entityType": "User",
    "nonce": "0x5492fd958cd696d81c3e66ee6036d9608945136b253c4d0520e30e81fe6abdd4",
    "signature": "0xc183e9f733452351a9089476c344c59dcad2bc7842acf9aaaca41a298354cd564c672dfce02707340f2a0205fb330b97ef64754015d019a48de3733196f1955c1c",
    "signer": "0x55F8937EF7902E83b15F5BB7c7bf72a0a2989C54",
    "userId": "233666542"
  }
}