{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1959359",
    "entityType": "User",
    "nonce": "0x4e06cebaf00a1d6c3a60da74432423cc7b0ac81281b41432b42b94dc8dd77495",
    "signature": "0x2f7ce13f7ade597b499c27e7c641da28dc5ad1d919f15eb98bc41a9eaca0d16a09daab39291a81fe978040917dde6dc0f488bd87a454bc24b9be096014ab058b1b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}