{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "191130508",
    "entityType": "User",
    "nonce": "0x073bca6bff5e51745ac9d11c4b7c1ff1262885e7d3ac3f94756a4e32dd0be071",
    "signature": "0xe65b0295fb025f1cc18cfefd79270070442a011489bf14b554a2f9860b001c89503dc2158841f3c72a4907fdf0c8915e12590c170d9b54fe026cec8531b809d51c",
    "signer": "0xb68FB6A5ae9015De46D9634e946c04517523Fa43",
    "userId": "134619804"
  }
}