{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "181180",
    "entityType": "User",
    "nonce": "0x01f568ba792ad1841d220c943bcadc56c6fe982a02c72ada7e0f6f422ca57304",
    "signature": "0x70b11ea2fafb6d2b3afc5ffc21e41b3de5fe5dd41b09b605b69786eb792c62c42f28841b3f5f3a700234cd8fc5f3e54f2f5ccb495cd8fdf8ce516ff926d1b2f71b",
    "signer": "0xD24271e3B8CCFB603860EA392E94eD5AE2538703",
    "userId": "456716469"
  }
}