{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "250879625",
    "entityType": "User",
    "nonce": "0xb9d367d4e93310afe940b9c965bc52ea61cbe90fcfaa64ecca8b9eef2590b69a",
    "signature": "0xf725c90c6011ff76e2787d277c928b9483dd781e8a108874b601954bc40cccd35489843627467a787773fe7cf3a70d0575a5752c5e7e5d53af73262572a9742e1c",
    "signer": "0x98fC2b30E6e70e62dB2b5fAE7b0292DE3D4323Bf",
    "userId": "480962013"
  }
}