{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x111ade193ce1c0640e516794c258ad8a138665206dd93f24217cbd4613b9efda",
    "signature": "0x3e5329ba9f85e4de588c68ec4410d1c70aa4959db4a7477c8f981e42c2a4318e3a92c05e20528edef417c63c7773d94f3b2aed789621d25b4c5f8144cab675a31b",
    "signer": "0xbF4F1f4df4779768AfE75515b1552a2Bc5b4Dd32",
    "userId": "100976759"
  }
}