{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "227253",
    "entityType": "User",
    "nonce": "0x90cefacaa6e5d87d4868b1bf4acf7e879b028ec275c1a71e59bcc06fcffc4594",
    "signature": "0xfe42fd9f0638dc4ee18893258274f820475f6c165273d31556ccf09506756f3356fd2c1e0207fe1cb04fc0e478fd6cf255a2a2473e96e704d640a9d65dc6bc201b",
    "signer": "0x292eF57C1FAAc86008ab58D5116e0ba424C9189b",
    "userId": "721084704"
  }
}