{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "128685",
    "entityType": "User",
    "nonce": "0x3d70476489f26f2c7962135489a7b13e325fac27057254a7462c48cc541caca1",
    "signature": "0x63a97d8618575ef1450b9ac44874be452848a40a8d44b5fa37f25224373451d05b3077925ebecb58cd33bded26517ab6ab6ed7968fc6432b65b80252fceb99ff1c",
    "signer": "0x7425EdbFdF528603A88c658f4cf8B1396a8a77F5",
    "userId": "406225571"
  }
}