{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "562613548",
    "entityType": "User",
    "nonce": "0x78d92a55d85eedce32a9ba254602118c97990f46591cf15f6718a9617eddc044",
    "signature": "0xeda10fc02b6abd59f26ea36626e2b5155394e676de6c92beca085ca2e8f0f145448a252278ee83f7cea4ed56463a0ce48ca55f00b36e8f92865d5890c06a98cc1b",
    "signer": "0xC7B16Eee24C03712c67aa884907593f4df23db87",
    "userId": "56534466"
  }
}