{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x0a96edbd1ff697837ec084c072f94b704a85e3b78d0975b072a4c5186493d335",
    "signature": "0xee6ff6dcbb4decf843f49933d2a96bf974ba0880b55c1d00822e725d0a591fc711d15be354f9c41f6804d1936a6d113df015de2a1e782100376677f11b31dcae1c",
    "signer": "0xF497f02EC03ed7C82f33A74f62147500d0141014",
    "userId": "227196453"
  }
}