{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "636236864",
    "entityType": "User",
    "nonce": "0x8bad6c7f6c5cad5e205dd7eb7e58cc29a3dbad6854ad441ac0776361f51606e0",
    "signature": "0x0a131dd702dea4aff6fa6398282742a9dbeb660676d11df1c9efbe0f86055375008123eb8ea24c2d3431a6443ad9445f3c167741ddca4c3c8c4e2b81741c2d581b",
    "signer": "0xF300c20BDBB459E009c4E55c08CFd33E12f8B0Cb",
    "userId": "782218508"
  }
}