{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "809803",
    "entityType": "User",
    "nonce": "0xb7a66e4c5dd1d2a6cbb9cf1c1648b59d15dc77ba530b53024a56d3eafae3a582",
    "signature": "0xb989b4e0ab56a0309e6f92c31c58fe600f72428ca916b335e182ebeef8139b947eddc33ca278eb8c76193c3c2cbd40f86bd040fc0f5d71ba05db161d8c2cd8d51c",
    "signer": "0x96818aB6687d2E9bA070EB1d6843ef7BfEF5cDa4",
    "userId": "806873848"
  }
}