{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "860650726",
    "entityType": "User",
    "nonce": "0xa3ddbcbeb676db264e22d0ee56b8a964f1197fa85a1935c3f63461ff78aaca75",
    "signature": "0x48f9d015023a064f1bcb9b47b41b9b24a4854bb160963dca7fb2bea3d7e7ed374f9b2f3fa628083e7af57f1529337d00b36563d3d3030c3de6c923311a367eef1c",
    "signer": "0x84B42609E987DD0953e02498E61987fB833B7C92",
    "userId": "887547386"
  }
}