{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "117827",
    "entityType": "User",
    "nonce": "0xdcf7f9e81a4d8380597dd6c8e03c0f0f07b595ba78ab2266c979d3266cc8f395",
    "signature": "0xc2132ecdf92bd0c3b611f86adedac4ad7b88f2f3e0e9ea4b2ace0ff4f6f4421c433b3ee9f904ed5f81f58ed1d069e4e9d9856137d2cd38fec11376d72825c6c41c",
    "signer": "0x5452f86EfcB1153FF9C10bdbe4103Ce25434D124",
    "userId": "620307004"
  }
}