{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "270327",
    "entityType": "User",
    "nonce": "0xc34c918a177c2641efb507d6f852281781f1895fcd8c28f91c9777d23eec5951",
    "signature": "0x6431257a2e893be3ace6304280c662f8d1ba4e38991dd1aa6400485560bb22d652d4527b1513328495b9508e8ecd27727766146381b6f73441d10cee12abb9511c",
    "signer": "0x43dA66b40816c8fb9e2B0AA77E0643192169AF14",
    "userId": "636236864"
  }
}