{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1316776",
    "entityType": "User",
    "nonce": "0xe775b7b62ab2c9c98b10ea0eaf5743ec9862f81d6a63c32d3af84278b53fc7b4",
    "signature": "0xbeeadd1645139b3f560d3fbdfd35c32718342313d504a5262d32d426ab37c69e40298588a8052ef0c6861d5f5adda9b26efb07501d39699f1a453f936fef43801c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}