{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "94304",
    "entityType": "User",
    "nonce": "0x8421399d933192c5d0dd7255fd3afdf5622d5bd807035d81e7010a3619a720c6",
    "signature": "0x400147cfb2828af72c01870a86f60c641bae88acd27eb5d21cd1a14c09f87ece6d2595faaea7a012ecd4eabcd0afb7d5ef9a954024da7e4517a7526cef70dd601c",
    "signer": "0xb7C7a8D9d12EBd1Cd438cB065E97280E6D7e912A",
    "userId": "984691913"
  }
}