{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x04a24e0506fa585784cb89eaffd2f663118bd07326eecfc772dfc6bf4ec041a2",
    "signature": "0x216ad0d7ece993fabf927a2950b3b2b539a9bc0c09b1d3d60a66e7756719a1ca52b22f5b853efe60c629fefa3a701e2e46785c54baa97290242222312d39448a1c",
    "signer": "0xeeC56336C95A2E36D264202a086c2920788E023e",
    "userId": "644127200"
  }
}