{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "332704",
    "entityType": "User",
    "nonce": "0x242bbd613d0bdd161b7020538876fc4cb5ed1a7848e5f487f16dcf04695bb6b0",
    "signature": "0xe2557abab5d0574cf10a3c0d76d31f0ba260da7be005926aaeb9b946b78156270a6e1d3e3377dc67d388bf12496d77f049b2558d437f3ab8b5436edb3005f1cf1b",
    "signer": "0xa899e54a1aE2f8D645E14e3E1EBF6398971ece5A",
    "userId": "906687997"
  }
}