{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "201014",
    "entityType": "User",
    "nonce": "0x12b7122ea38dbb4d5d55d815f222d15e6077625278755a9e990df7fd5031b674",
    "signature": "0xae3c74863a6122f444d96661b9887ed962652a2b40438c98cfe16f9d26da37751a4ee1dc26cd7aa400a1db26beb352740b3be34a7c25ae5c2ec44cbb2573cb361c",
    "signer": "0x55F8937EF7902E83b15F5BB7c7bf72a0a2989C54",
    "userId": "233666542"
  }
}