{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xbd43ea0395936a38442fd21cd0590fc319db21440b9bd5ce3d10b75bc03abc39",
    "signature": "0x0cc3ed9fcd46fbecf7274fc07dc15ae3b2c436f5f47a54b818ea4e07a066a929653e8b19b9dc04bddd5dc0afe82eb3a17c0b83b43115b247d2fe04b72bcdbef31c",
    "signer": "0x084461aB89529629A39a0102D58c480Ff1E146A8",
    "userId": "611541555"
  }
}