{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "65700",
    "entityType": "User",
    "nonce": "0x3c4e8c2909055a8ae2f6fe9fe279a3bdd57f0d01567fc69752c7e6ab93a8af1b",
    "signature": "0x3a1e1fdf29a06280a891203b941eb105053a8886e82de81ea7f325d5391b6ee21370e48f495b0802ac06360f27d1393a14d0443f4341ee1559c141cbf0c436f31b",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}