{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "2989",
    "entityType": "User",
    "nonce": "0x5127235be5a5f04083e121276bf232f22dbe27246e6752864b1bdc8eae1ea744",
    "signature": "0xb2b5ef810a93a7abd4813924406a7fea7f9763c1a2f4de7348d6d7ba2dc426b574581ce87e28d06d0710f43d90af3a4b8ec3105599d9dc642e6f70376fcd39af1b",
    "signer": "0x481d41B4b34069e19EDC206C160447ebA0841f6F",
    "userId": "854614078"
  }
}