{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "60832",
    "entityType": "User",
    "nonce": "0x193bfd47e6c8c497424cda0bb43dec6023e24cf1ef676c03bf121e5dea7788d5",
    "signature": "0x7cf886b91e7131e45951048bf7ce4881412436d3ef753a61b0deef52441f7794536c64a9b715581fa33b9b19d21c99045f4845f80bf3b865dea05d9d1425bde01c",
    "signer": "0x481d41B4b34069e19EDC206C160447ebA0841f6F",
    "userId": "854614078"
  }
}