{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "120244",
    "entityType": "User",
    "nonce": "0x60fd97b7aa50660027b99b086cb8ab4391fe74530213ea40fc5892a838938d4f",
    "signature": "0x8a07cea298d54efb066a109e4297e1def14fb0fe1492703051e8713e2135df5055832885f9ca4b972a0a788ec895026c725441bb8ec74e774d289c074b5104121b",
    "signer": "0x43dA66b40816c8fb9e2B0AA77E0643192169AF14",
    "userId": "636236864"
  }
}