{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "276747",
    "entityType": "User",
    "nonce": "0x353dd8ddaf53e56f11895cac070ae2cb08f90ea09e9c495302f14f3909ab6ab8",
    "signature": "0x242a42f5cc51317dfa2a1ebc958f01cd5d322b107c8a8e550058588e3dcec5df3d1b3c71e893fee827da8be36d643f6d36da7117c609363de22015ef2a72d9bc1c",
    "signer": "0x5f669126A64334710E37f472BfBfE0D8cF408577",
    "userId": "171892"
  }
}