{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "2043650",
    "entityType": "User",
    "nonce": "0x96649d9fa6cd2f04842d64d455dd9e38e9bb2b66042dc471bf3a96aff7ce7b00",
    "signature": "0x4cd9cde3763047e1380753a4016aacd61a730acaa5f4cd1cce6559d72194ea6a4ec270ac352dcda6a3b6dd60ec7624f68ab3a3b35eb1ad487597963997c015de1b",
    "signer": "0x84B42609E987DD0953e02498E61987fB833B7C92",
    "userId": "887547386"
  }
}