{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "64096",
    "entityType": "User",
    "nonce": "0xbc959a5145ae513c3977fde3e89efc2528d633d39bd8e2b37a1dcff49183251d",
    "signature": "0x13af4a6fe2a6c9ac4ad5a74499e6490283ef8d562a1f9737b2f26db268fae4412e31007004e3ac3ec9e72c74bbc2d6b5f83bd0488acb8182d92f808000ef987a1b",
    "signer": "0x55F8937EF7902E83b15F5BB7c7bf72a0a2989C54",
    "userId": "233666542"
  }
}