{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "202190129",
    "entityType": "User",
    "nonce": "0xac7d9316507e0e12ad70dfd525938ceae8c9b3eaf88102f6dceb8d114274cfd6",
    "signature": "0xa3cd177efb5bdc466ef9a71b3a41b9ab0b8ef0d5ec69cd5631bda271f4f7e8084fd92b4422e3f56417b3f9f0b8818643532769822f0bf934155a367159899bbe1b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}