{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "61541",
    "entityType": "User",
    "nonce": "0xcf1a7af523955aad17204156cf6c0f166b57b8d4a00bb0060ac4043938e2898f",
    "signature": "0x0c6b539001d1777940b0509532a3946399af1c16081f07489b900b0768f287e475bfbacc06a546a4f09085dc23711e932f32d76361fd0098d2cc769e730482f51c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}