{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "809803",
    "entityType": "User",
    "nonce": "0xbe4e0dcb87aeb968311bd85f10e68184fb099e03a4495b465b63a1161665d05f",
    "signature": "0x3e6da0828e4afa125b1dd317c5da27c02c6469b2bddd2ae3c42b4004cb3ae6f125a832d4ddb9e7be0e58be5b59be736a856ba337319df364c791c729b1c6b5751b",
    "signer": "0x28Bbb53f14b48eE811b10fD56903fc4D922C6902",
    "userId": "625201833"
  }
}