{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "11003",
    "entityType": "User",
    "nonce": "0x0fd890d679f0df94045ca1773ae8b9fe396cd68c30d7462e65befb14545e5c0a",
    "signature": "0xa703def3ca4f6964f8520044c98ca69702f256a6a0f7a7c3203fe9517c85d0fb25b5d8e648bba65b78527d53a33ad686a37e6639d2b9cb1204e9b6d34b7128cf1c",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}