{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "143226",
    "entityType": "User",
    "nonce": "0xfc8c71a67efeb773d9906f6988953c4bf8507c3ce7a0364b50a5679eb01150a9",
    "signature": "0x060105ddc336ab5207eca2ad0f78f737e6c55e22a0f31176a2b2b1ca4662775417f733c4cc2e813e4e8c774bce97d8f8efc633d9866242370a71dedfae63c5e51c",
    "signer": "0x481d41B4b34069e19EDC206C160447ebA0841f6F",
    "userId": "854614078"
  }
}