{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "28155",
    "entityType": "User",
    "nonce": "0x7398d7917352b165b8d8fc10983e8abcf15c063dae4cd12ed78ad0e31064502c",
    "signature": "0x2cfb4e9bcb1b4704115b79122162df0d2a41af15f8e4fdccfc1c3123a83573c56bf263e794bad0a38c00da0148b76af7a8a599b8e2ed3255477c0bc0f2b476801b",
    "signer": "0x796D60E9fE921C82Ef20f6329e27dD246392f542",
    "userId": "809803"
  }
}