{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "179782",
    "entityType": "User",
    "nonce": "0x78b6a34c12dc266c12d88287bd608bf93d8c7f59d110ab61febb7734d15520c2",
    "signature": "0x2450fb399bb61516a375c952b204967f6be33fb03e4afd182eaab3616e71b213693472fb563da0c9bd696b67188db368002af32ece83d25ad3eec258942dfc891b",
    "signer": "0x4C413aA16AB0452da796Af095ae4D4C4B82F5f32",
    "userId": "44882442"
  }
}