{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "118500",
    "entityType": "User",
    "nonce": "0xf4d4a4cf7012f3c5ed5e3d5c611332b3c0972861120376487fc0d1a84260344a",
    "signature": "0x56c6c5b1a0b136113e62c88223c6daba15023c4e0dc1693e844457ef2ea4a0d079a5573f4f759d338a40e2c468fb830eb72eb081b0e4948bf61937e7f0f315ce1c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}