{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "932111677",
    "entityType": "User",
    "nonce": "0x895c5c9baa03bca36f12c3092cc617608cd76c9f0a5a2f99aab611bd4f8a1401",
    "signature": "0x472693176e20f95ce2967e4e2058f1dc2b3275a30ba62c317a6a61d5c9ada82c3d753e8424e58845e70ce09dc7eef901648d963fabe87e60af3c6b5154280ff11b",
    "signer": "0x474B8467757bEdBa76afC2394cfCb801C991B143",
    "userId": "815537464"
  }
}