{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "735980234",
    "entityType": "User",
    "nonce": "0xfcdb122262861acdaf1ae7a6d8c9c1accd62ea709daadf365d1b47b0ceaf69ab",
    "signature": "0x64c6c342c4be255931e86fe0bf8cce072782166a0bf39df3071b447e8417a1d505f2231bc4c24425629d69bed9a3a31783afad4500cd856555136fc96fa102fa1b",
    "signer": "0x5f669126A64334710E37f472BfBfE0D8cF408577",
    "userId": "171892"
  }
}