{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xfa65da7e092b751ec38f97b144981e00b6a595a220ed85573896c6a4a8bc5db5",
    "signature": "0x32bc353fffc359cac4c9d5e09cc793c32e3ba15100b122c9a06b6f650c76f3b76715189b308fc8d05cd8599c4fc0ddf64016fe44cb33b4a58c0f81a0b89bda701c",
    "signer": "0x59b6242FE7db035cd9545ca205b208b5fcf1CC4D",
    "userId": "806603339"
  }
}