{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "45660",
    "entityType": "User",
    "nonce": "0x484be06137717e88e295fed346995b9f923f900fb6857cc4606f28817fca44dd",
    "signature": "0xe88134914617bd073bc56fd8110d9e3886a970b53479f21dcb9d8fdf7ba9096050e1a6a26d0a6f1cd20784a652404b548c5246717e8856a6f5e7d104ce2b4be51c",
    "signer": "0x6B239e9B75f27b519de7Bad3a26a0b7d30e32D3f",
    "userId": "311257477"
  }
}