{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "200945",
    "entityType": "User",
    "nonce": "0xbe5e5e446d48448073cb08b00cc992e64e84d1af7cca6b534067868cdd8dab1e",
    "signature": "0xee60da1607bdf80c8a7701e2d2e14ef69615a16074a1d916a43a578223893fb45bb74244ee2e6d47c4ec83dd8e29b31df72a05246f2fb5ce0e173f139a9facac1c",
    "signer": "0x712Aca9aA6ac07F98dcEC338Be9C15c3Dc47d569",
    "userId": "12730129"
  }
}