{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "104128629",
    "entityType": "User",
    "nonce": "0x6377db7b8451cef6e294434c0c0ccb16ce9059a02d4bbe18a6614b29d91a9747",
    "signature": "0x09f9a13f614b61d5bd19558e218db1b38c1a52f8da5e7b0266b1fac66cde987556b75eebc4f6b7e2d229e89c66be8fdb6e34d3111893ebd65c68ae5d16bd698d1b",
    "signer": "0x569a23a5D506E4404139fB7510738Ee5b80F5624",
    "userId": "280440301"
  }
}