{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "211307",
    "entityType": "User",
    "nonce": "0x2016dcd8f8867b2f883d7b7a0f1c3c1edfafa01fb35f8eeb00d36acd72a040e0",
    "signature": "0xca2bd3ed3547f39247753b2de671d3d14ff0634afa776717153605a77001d0f026da7d6d9c80458e2e2283c72f9a365ba2c03dfea1d2393add83c7a5793f8a421b",
    "signer": "0x0eE7CC00e9f61Fa97181E6BB203C97f8b23904e6",
    "userId": "968779607"
  }
}