{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "38568",
    "entityType": "User",
    "nonce": "0x5f2577cecfda0851c536ddfb74f97be8e6994208cc3611581fb463b4a7578fdf",
    "signature": "0xab0aff796e34bf5b9bd88c736e851369f2981c2d5aa0053627004663c200fd087fa64df45dd8a75e94a330ce865d595b0356c0386df92f7bb48e088a0b4aa8fe1c",
    "signer": "0xC7D69243b2161915036b32017e4FC8ea02d7faF1",
    "userId": "80378"
  }
}