{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x945ac6e98311b08c290217584f41dc2d9be7b1785d9f1cb14e3423504328b4a9",
    "signature": "0x0e167143ff4896eb884fcd515d30dba04658dad8ed15fcaa88712cd98b42ac6124109da4ff9a1e4893296174344b539fd61dbe99a95d2848f7924a647d98c00f1c",
    "signer": "0xAf65a55Abda4Efb47FE4C209a38ecFfD18aEF0Dd",
    "userId": "53764968"
  }
}