{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "827803944",
    "entityType": "User",
    "nonce": "0xc646c04d5f20c32e5028de6000425fe2f31c9501e89b21e79d649d3927ddee5f",
    "signature": "0x7869ef93de341ddbc59728938decbf18a8cd09f05601f47b359fe621b34f6ede7307aa6661bab82118550f2daa3315254f80c2cd08ef941d0402b3c34c897dea1c",
    "signer": "0x59765b22C96E88dA578af23E8611d6ca2dcCd7C9",
    "userId": "377610060"
  }
}