{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "226163",
    "entityType": "User",
    "nonce": "0x2a55dbd768122d5be07ac33d2bb78ddfc0b1d60f6240725c30ac1c11c19c0344",
    "signature": "0xc6fbf79c060352016719262c541ca665a3b4e04e395b944a90587b6873ad62f82ee3bdeabfacdc9883ef648ef96e0d621e0eedae3acc82ef6615818ea3d510dd1b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}