{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "662207002",
    "entityType": "User",
    "nonce": "0xb08baf2ef0b7cb5c88eb472fae578b78207227cd5f8db3f39483d11e996a8d32",
    "signature": "0x2aae9ff463aa1bd322f3b7f2f9a8c73bbdbca0ec5514897c9bb79b9ffad96c4216a060ed6541bdc025c31b552f639f2e3babeacd459d500933f8cf5968fd11ac1c",
    "signer": "0x38b7AB9474A04dF6f214127Fdf6c1ADaADF5926E",
    "userId": "571039733"
  }
}