{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "251854",
    "entityType": "User",
    "nonce": "0x1ae7db27560f95995c8bb499962919d51d2eaef20bddfcb8856c5e04e9478aed",
    "signature": "0x33ca96ed5e08d69ce4e859d7a62d7ee54e7682761a2582649278457e3c74fd27333281b0faa5f92b958e2eddc2afd4807305c7557af72481246bd612d8aed1c71c",
    "signer": "0x742Fff9be20F80Ce7285c8Ab12B9018Ef3Cf14F0",
    "userId": "111467392"
  }
}