{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1319235",
    "entityType": "User",
    "nonce": "0x4660f16a564e2c60f038529428c5f8ed34a6734062e5a6706b262babc93bb754",
    "signature": "0x3d7c15aae3cfcd0fd746eb1843ce7cf4037263fc867802284463ae91b35087b44086e877c4cf1c7e052b0eac20a1ee5ac90777eca580abdfb93a3bcc9605352c1c",
    "signer": "0x481d41B4b34069e19EDC206C160447ebA0841f6F",
    "userId": "854614078"
  }
}