{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "185614",
    "entityType": "User",
    "nonce": "0x557fcb15f6fecab2ccca2db50a45fb7e173f50daa35f005409e248102c1af006",
    "signature": "0xd196aeb34dc92ec87fed73fb7a577956e008cb1032859be5cb0e3ee1fad33c4b1d535899cdbf2b45eca2db90f2763a61c1c4bba11fdb42298e61d0622c4f07b51c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}