{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "242428806",
    "entityType": "User",
    "nonce": "0x187b98a1fb344e703a8146b55284eac3a000967af108706dee87e1618c6ac8ba",
    "signature": "0x1ec21150b7293776bc513ff0d67954ca4e8053b0ac90f8d9b782edacbe31e1f937ee8111735f18e62bcd43b3eff6f6e4dec3658431efda3131491e5f39ee698b1c",
    "signer": "0x9Be01df22F1340b40F206a612998292e2e88166f",
    "userId": "236739171"
  }
}