{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "7815",
    "entityType": "User",
    "nonce": "0x78dee060496702885f7611509f571c62d008a2b8c974d32f9ea1062101996b16",
    "signature": "0x2cd1d1946089795f88fad67175310521b47b503f86bc7720af7044818add0fb72b2329a270c01e4657e4d136278eaaf5e2691f377418aa22f33e25ebcf0ada721b",
    "signer": "0xD967b68365738013c9197659aAb46EB73a488080",
    "userId": "488430169"
  }
}