{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "59528",
    "entityType": "User",
    "nonce": "0x81d717f397464a60ccb741868411d056e519101b311fc383ae5c4ff2f3b8ce80",
    "signature": "0x19d37f15cee938701c6c1541730959719ee206a8a0b7de247103cbed7a5423264c052fe0c48bd845b51ac86832930ad0195fd5b85cc1bc6f4e394664011193981b",
    "signer": "0x74a8042b1A78054598367dDc4E60093981207384",
    "userId": "666831582"
  }
}