{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "279392",
    "entityType": "User",
    "nonce": "0x8bc57194c9da2feceb21d5e219dc58e61b594b62696af6f755461f971f4313bd",
    "signature": "0x95f8dce358c8e8df01ede08fe7979f99e57e98dd7401aea7c68d825eafe8393c5bf155fd37f97cf8716252dbc9d9f7a3897f4d3a742fda73517935259c150a241b",
    "signer": "0x793bbEFbb3Cf1e6529B90296e502145aCcCDE8d6",
    "userId": "838777725"
  }
}