{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x3b23b69b3c2b7e8465d3ba0dc0c88bed06fec194f964b4aff2313387e2d5fa6b",
    "signature": "0x12e47051113e9d27a6339217f12ca85289205165f99e421d0c252c624ae035be67ce5e10d672f6007b800125c31c967444de8be7bf679915dd553e02575cb6da1c",
    "signer": "0xEde63857639836D25Ee21DAEa8e3A0D905Dcfa8b",
    "userId": "239828044"
  }
}