{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "175425",
    "entityType": "User",
    "nonce": "0xd97b6bc9420b025f3dc3f3b5e9ebaad4f6c0d7b89711e51c06903acd644ae473",
    "signature": "0x5d708bc9638c4f4e2f493414ea9c87bf7c3c6f2fe510dd2494e52a115948206a427144dbd7839d00d76d33960ae456ac66f9df5c61a638ceeb88a70cd18668bf1c",
    "signer": "0x1d868e2cc29848871636BdCF83a08A975835b6DD",
    "userId": "120328011"
  }
}