{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "87727",
    "entityType": "User",
    "nonce": "0x1b1e634b5a725f6f4549b65783f19e9e00b93384931f42c6bff180b92d6e7892",
    "signature": "0xac90612d8903cb9b4b78d82bd4051f023d8757ae76141080bb463fb99c887e640ec2b44a0e961be6fc3f27c9d9b92dc8cf8ab1f15b05998f85163ee2992fe6251c",
    "signer": "0x481d41B4b34069e19EDC206C160447ebA0841f6F",
    "userId": "854614078"
  }
}