{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "97250",
    "entityType": "User",
    "nonce": "0x4bef43f5ca572b40165d4d04e015184c612965b014e866fc7a24b843e0a968d7",
    "signature": "0x041f5007c30db4adf5c0cfd5b72b54b53e1351cdc1294698516798c59e98098b4775d712c17d509f112684752e9363e202171a0ba4aa510bf77233b2d566016e1c",
    "signer": "0x55F8937EF7902E83b15F5BB7c7bf72a0a2989C54",
    "userId": "233666542"
  }
}