{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1882405",
    "entityType": "User",
    "nonce": "0x755d44c46d066c6e6ea7692000853311da50bfbeec07c3f87acc92db17107cde",
    "signature": "0x38e99aa5352236cf62cbcf27eabd5f52aac14b85f57067f8073ecd9485e79b6b7d2935b7df3f41740988baaaa9b1848c3d4a04cee282ce41eaa6b818248279c11b",
    "signer": "0x712Aca9aA6ac07F98dcEC338Be9C15c3Dc47d569",
    "userId": "12730129"
  }
}