{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "52849",
    "entityType": "User",
    "nonce": "0xc657ecee407b1de9084b4cc9a0ce690b4965429f3912227f5ae2aaa36d886f83",
    "signature": "0x9e2883555829e2916a950883b579eac9ba4367ce54a91ec900142c54158499b12ec1c545e56cd3291cad545038835e3c5260158669327bb3d8f41985df53a91f1b",
    "signer": "0xE795526f098824a87a94C79d58a4299b51b20a3c",
    "userId": "837713671"
  }
}