{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "2031166",
    "entityType": "User",
    "nonce": "0x62594567170eca2333bb5153d5ae8436a3db66c960f8bf6f41f69622c5bca592",
    "signature": "0x012cc773d5f44a7361e6af3315d99552c981fbf24979a6c28fcb19c473b47a3757d63ebffec4099d08e22a0a3b61532939611aa7320688b8ca01e732848ec3031b",
    "signer": "0xa899e54a1aE2f8D645E14e3E1EBF6398971ece5A",
    "userId": "906687997"
  }
}