{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "130498",
    "entityType": "User",
    "nonce": "0xec4f475865ac38c95cb973ae14c22daa6c4e410e6bca771eab5799a7d4d7bc0d",
    "signature": "0x04a8fff03c5cb98ded73564a64b3447005bedc1ca6cb411731a57a9ceb24a2182c004bac61b49aee71a60077121e42d6d420da99bcc31fdf80313318d1d286221c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}