{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "235421",
    "entityType": "User",
    "nonce": "0x0c565668dfc57aa63443ab9d36e87566e86511da2e515126152e45291be0986c",
    "signature": "0x6e2ee3917a8a34a91d0ac501ae04a1b8ef2c9c6e5be2b0d5c6839582c39bd9c06511d5e6e40881f8103aa2b6adf9d2a613ac03ebbe5e2feda0c8cabda9905c2e1b",
    "signer": "0xbbB98413eB671bb0000F0b18A2A7Cae9631043E1",
    "userId": "98311147"
  }
}