{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "91965250",
    "entityType": "User",
    "nonce": "0x66aafde6f4e560b76d301447406b9f54678543a5b851ee37dbfe72219aa1531b",
    "signature": "0xd0ac8b9a87d33630080262c987b82384af2be16c1102f16bf008327c8a6d98d864b6e62fe11e3315b2c94ee8c0c83f8fab8669f4dabb2b807bc4ef066c3aa9811b",
    "signer": "0x9698A898Ed554B831a7BB69972E1B05eCC560430",
    "userId": "967510490"
  }
}