{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "221432",
    "entityType": "User",
    "nonce": "0x1b26f479ebbe73557843b3429ed339da3422336778cd19e520ae9fe6501b4be4",
    "signature": "0x6d5c5f89342b1999ce1d041a8ddb2f78f69077925bd51d02679f9bb98649fc56042523499bb093da3c38cd1688aa74521532d49228f06c76d6a8de1192b1467e1b",
    "signer": "0x4F667530f7092Ee8C031321b8865575Df29b90AE",
    "userId": "88327896"
  }
}